Critical Care Doctors (Internal Medicine) in Colorado
Data updated monthly · Last refresh October 2026
149 Critical Care Medicine (Internal Medicine) providers practice in Colorado, including 36 (24%) offering telehealth. The largest concentration is in Aurora. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
149providers
36telehealth
Auroratop city
Critical Care Medicine (Internal Medicine) by city in Colorado
Choose a city to see providers there.
Where Critical Care Doctors (Internal Medicine) in Colorado practice
From CMS Medicare enrollment records covering 119 of the 149 providers listed here (80%). Providers who do not bill Medicare are not included in these figures.
4%solo or small practice (under 10 clinicians)
24%mid-size group (10 to 99)
72%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Critical Care Doctors (Internal Medicine) | All clinicians in group | Main city |
| Critical Care and Pulmonary Consultants, P.C. | 33 | 151 | Greenwood Village |
| Critical Care Pulmonary and Sleep Associates Professional LLP | 28 | 61 | Lakewood |
| University Physicians Inc.orporated | 27 | 3,189 | Aurora |
| Denver Health and Hospital Authority | 9 | 830 | Denver |
| Poudre Valley Medical Group LLC | 6 | 2,425 | Castle Rock |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Critical Care Doctors (Internal Medicine) affiliated |
| University of Colorado Hospital Authority | Aurora | Government | 5 of 5 | 39 |
| Centura Health-St Anthony Hospital | Lakewood | Nonprofit | 4 of 5 | 25 |
| The Medical Center of Aurora & South Hospital | Aurora | For-profit | 4 of 5 | 24 |
| Uchealth Highlands Ranch Hospital | Highlands Ranch | Nonprofit | 5 of 5 | 22 |
| Adventhealth Littleton | Littleton | Nonprofit | 4 of 5 | 21 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Critical Care Medicine (Internal Medicine) providers in Colorado
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Abraham Mccall, MD, PHDAurora, CO · $3,088 in drug and device payments (2025) ·
(720) 848-0000 Dr. Alice Gray, MDAurora, CO · $105 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Arun Kannappan, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Brian AhnAurora, CO · $60 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Bridget GraneyAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Christiaan Rees, MD, PHDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(603) 276-8704 Dr. Christine Farrell, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Cody Schott, MD PHDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Ellen Burnham, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Emily Gosche, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Geoffrey Connors, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-4400 Dr. I. Marc Moss, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Jacob Fox, MD, MPHAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. James Lavelle, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. James Maloney, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. James Wykowski, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Jeffrey Sippel, M.D.Aurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-4400 Dr. Jennifer Taylor, M.D.Aurora, CO · $1,046 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Jonathan Kurche, M.D., PH.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Joshua Smith, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Katy Deljoui Young, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Lisa Ruvuna, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Mark Mikkelsen, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Marvin Schwarz, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Nicholas Walter, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Peter Dunbar, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Peter Sottile, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Sarah Jolley, M.D.Aurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Stephen Malkoski, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Sunad Rangarajan, MD, DNBAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Tanya Marvi, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Trevor Steinbach, MDAurora, CO · $17 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Vibhu Sharma, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Mehdi Shelhamer, D.O.Colorado Springs, CO · No drug or device payments recorded (2025) ·
(719) 526-7774 Dr. Suneel Kumar, M.D.Colorado Springs, CO · $600 in drug and device payments (2025) · Telehealth ·
(214) 361-9777 Dr. Andi Hudler, MDDenver, CO · No drug or device payments recorded (2025) ·
(303) 436-6000 Dr. Anna Neumeier, M.D.Denver, CO · No drug or device payments recorded (2025) ·
(303) 436-4949 Dr. Carolyn Welsh, M.D.Denver, CO · No drug or device payments recorded (2025) ·
(303) 393-2869 Dr. Edward Chan, M.D.Denver, CO · No drug or device payments recorded (2025) ·
(303) 393-2869 Dr. Elaine Schwartz, MDDenver, CO · No drug or device payments recorded (2025) ·
(303) 388-4461 Common questions
How many Critical Care Medicine (Internal Medicine) providers are in Colorado?There are 149 Critical Care Medicine (Internal Medicine) providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.
Do Critical Care Medicine (Internal Medicine) providers in Colorado offer telehealth?Yes. 36 of the 149 Critical Care Medicine (Internal Medicine) providers in Colorado (about 24%) report offering telehealth services in CMS data.
Which cities in Colorado have the most Critical Care Medicine (Internal Medicine) providers?Aurora (39), Greenwood Village (36), Denver (28) have the highest concentration of Critical Care Medicine (Internal Medicine) providers in Colorado.
How many Critical Care Medicine (Internal Medicine) providers in Colorado received drug or device company payments?66 of 149 Critical Care Medicine (Internal Medicine) providers in Colorado (44%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Critical Care Doctors (Internal Medicine) in Colorado work in independent practices or large health systems?Among 119 Critical Care Doctors (Internal Medicine) in Colorado enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 24% through a mid-size group of 10 to 99, and 72% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Critical Care Doctors (Internal Medicine) in Colorado work at?According to CMS facility affiliation records, the Colorado hospitals where the most Critical Care Doctors (Internal Medicine) hold privileges are University of Colorado Hospital Authority in Aurora; Centura Health-St Anthony Hospital in Lakewood; The Medical Center of Aurora & South Hospital in Aurora.
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